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DBMS > IBM Db2 vs. Microsoft SQL Server

System Properties Comparison IBM Db2 vs. Microsoft SQL Server

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Our visitors often compare IBM Db2 and Microsoft SQL Server with Oracle, MySQL and PostgreSQL.

Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxMicrosofts relational DBMS
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
Graph DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score174.44
Rank#6  Overall
#5  Relational DBMS
Score1072.19
Rank#3  Overall
#3  Relational DBMS
Websitewww.ibm.com/­analytics/­us/­en/­db2www.microsoft.com/­en-us/­sql-server
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGdocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentation
DeveloperIBMMicrosoft
Initial release1983 infohost version1989
Current release12.1, October 2016SQL Server 2017, October 2017
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C++
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
Windows
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yes
Secondary indexesyesyes
SQL infoSupport of SQLyesyes
APIs and other access methodsJSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
ADO.NET
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Server-side scripts infoStored proceduresyesTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Java
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux Versiontables can be distributed across several files (horizontal partitioning); sharding through federation
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)yes, but depending on the SQL-Server Edition
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard

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More resources
IBM Db2 infoformerly named DB2 or IBM Database 2Microsoft SQL Server
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Conferences and events

IDUG Db2 Tech Conference North America 2019
Charlotte, North Carolina, 2-6 June 2019

Recent citations in the news

Does Db2 Mirror Kill The Market for Third Party HA?
6 May 2019, IT Jungle

The Demise of Big Data
24 May 2019, Database Journal

Top Database Management Systems Vendors - eWEEK
10 May 2019, eWeek

Drilling Down Into Db2 Mirror for IBM i
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15 May 2019, IT Jungle

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Latest Microsoft SQL Server Management Studio 18 Now Available
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20 May 2019, TechTarget

How to Eliminate Gaps in Identity Values in SQL Server by Disabling the Identity Cache
20 May 2019, Database Journal

Build 2019: Microsoft Bets Big on Its Data Platform
6 May 2019, Redmondmag.com

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